Material and protection: Made of polypropylene with a smooth surface that prevents squirrels and raccoons from accessing your bird feeders and birdhouses. Versatile compatibility: Fits on a variety of poles, providing a universal pestproofing solution for most bird feeders and nesting boxes. Clever design and bright colors add whimsy to your backyard while protecting your feeders. Elegant design: A sleek, lowprofile shield that complements your outdoor space while effectively deterring squirrels and other unwelcome visitors from accessing feeders. Size and installation: 14inch diameter. Easily attaches to any existing bird feeding pole or shepherds hook, and can also protect hanging bird feeders. Use scenarios: Protect a standard backyard feeder mounted on a pole to reduce squirrel activity. Shield hanging feeders on a deck or patio using a shepherd's hook. Improve nesting boxes on garden posts to deter intruders while maintaining a tidy appearance.